: Use a diagnostic tool to monitor live data for the throttle position and manifold pressure to see where the values diverge.
: A faulty MAP sensor can send incorrect data, leading the ECU to think the throttle isn't working correctly. If you’re a DIYer, check out the French Car Forum
The car enters , cutting power to protect the engine. Interestingly, the Active Cruise Control and Speed Limiter are often the first things to fail. For many, the frustration is that if you clear the code and get back on the highway, the car might run perfectly for another 1,000 miles—until you hit that first red light in town. The Usual Suspects
Clear the codes and see if they return immediately or only during low-speed city driving, which points toward the throttle/EVAP systems rather than a total sensor failure. Check Battery Health:
